U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The production of too many useful things results in too many useless people."

Karl Marx

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 435/938 - Pichia


Subclass of Class 435 - Chemistry: molecular biology and microbiology
No. of patents: 81
Last issue date: 01/25/2005


1      
NumberTitleIssue Date
6846657Process for the simultaneous production of xylitol and ethanol
The invention relates to a process for the simultaneous production of xylitol and ethanol from a hydrolyzed lignocellulose-containing material starting. The starting material is fermented with a yeast strain, the ethanol produced is recovered, a chromatographic sepa...
01/25/2005
6800477Stereoselective reduction of substituted acetophenone
The present invention is directed to novel stereoselective processes for the preparation of (S)-1-arylethanols by the reduction of the corresponding keto group containing compounds by microorganisms. (S)-1-arylethanols are useful as intermediates in the synthesis of...
10/05/2004
6500425Inhibiting plant pathogens with an antagonistic microorganism(s)
The present invention is drawn to biological control of plant pathogens (e.g. either preharvest or postharvest diseases) on agricultural commodities (such as fruits, vegetables, cereals, grains, nuts, seeds and silage) by use of at least one microorganism...
12/31/2002
6498029Pentose fermentation of normally toxic lignocellulose prehydrolysate with strain of Pichia stipitis yeast using air
Strains of the yeast Pichia stipitis NPw9 (ATCC PTA-3717) useful for the production of ethanol using oxygen for growth while fermenting normally toxic lignocellulosic prehydrolysates....
12/24/2002
6458570Process for the production of xylitol
The present invention relates to a process for the production of xylitol. Specifically the process comprises two reaction steps. The first step is the fermentative conversion of a hexose to a pentitol. The second step is the catalytic chemical isomerisati...
10/01/2002
6316245Mutant cells of Pichia
The present invention relates to a fermentation process to have a high productivity with a novel mutant of Pichia sp., more specifically, for preparing erythritol under optimal fermentation conditions for maximum erythritol production by optimizing the en...
11/13/2001
6194196Yeast Pichia ciferrii
The present invention relates to a microbiological process for preparing sphingolipids, especially, tetraacetylphytosphingosine(TAPS), using novel yeast cell Pichia ciferrii DSCC 7-25 under optimal fermentation conditions. Further, this invention concerns...
02/27/2001
6051419Genes which influence pichia proteolytic activity, and uses therefor
The isolation and characterization of genes involved in proteolytic processing in species of the genus Pichia is described. The availability of such genes has enabled the generation of strains of Pichia which are deficient in proteolytic activity, which s...
04/18/2000
6001616Process for preparing erythritol using novel cell of pichia
The present invention relates to a fermentation process to have a high productivity with a novel mutant of Pichia sp., more specifically, for preparing erythritol under optimal fermentation conditions for maximum erythritol production by optimizing the en...
12/14/1999
5958742Microbiological method for preparing sphingolipids using a novel yeast pichia ciferrii DSCC 7-25
The present invention relates to a microbiological process for preparing sphingolipids, especially, tetraacetylphytosphingosine(TAPS), using novel yeast cell Pichia ciferrii DSCC 7-25 under optimal fermentation conditions. Further, this invention concerns...
09/28/1999
5919684Process for the reduction of catalase activity in alcohol oxidase
A process is disclosed for treating compositions of alcohol oxidase to inactivate catalase therein, which comprises aging the composition comprising alcohol oxidase and catalase at a temperature and for a time period sufficient to inactivate catalase whil...
07/06/1999
5910425Microbial strains producing sphingolipid bases
Microbial strains capable of producing enhanced levels of sphingosine, dihydrosphingosine, phytosphingosine and/or derivatives thereof are disclosed. Additionally, there are disclosed methods based on mutagenesis, or other selection techniques, whereby su...
06/08/1999
5780023Inhibiting plant pathogens with an antagonistic microorganism(s)
The present invention is drawn to biological control of plant pathogens (e.g. either preharvest or postharvest diseases) on agricultural commodities (such as fruits, vegetables, cereals, grains, nuts, seeds and silage) by use of at least one microorganism...
07/14/1998
5759819Process for producing human serum albumin
A process for producing recombinant human serum albumin (HSA) which comprises culturing an HSA producing host prepared by gene manipulation techniques at a temperature of from 21° to 29° C. Culturing the HSA producing host under such a specified tempera...
06/02/1998
5693490Production of glycolate oxidase in methylotrophic yeast
Methylotrophic yeast have been transformed with a heterologous gene encoding glycolate oxidase. The transformed methylotrophic yeast are useful as a catalyst for transforming glycolate to glyoxylate....
12/02/1997
5679557Process of asymmetrically reducing 1-phenyl-2-oxo-propane derivatives with microorganisms
An (S)-1-phenyl-2-substituted propane derivative shown by the following formula (I) ##STR1## wherein R1 and R2 represent a lower alkyl group, etc., or R1 and R2 may form together an alkylene group, etc.; R
10/21/1997
5672496DNA sequences encoding porcine pancreatic carboxypeptidase B
DNA encoding porcine Pro-carboxypeptidase B, vectors comprising the DNA and host cells transformed with the vectors are useful for production of porcine carboxypeptidase B...
09/30/1997
5670368Inhibiting plant pathogens with an antagonistic microorganism(s)
The present invention is drawn to biological control of plant pathogens (e.g. either preharvest or postharvest diseases) on agricultural commodities (such as fruits, vegetables, cereals, grains, nuts, seeds and silage) by use of at least one microorganism...
09/23/1997
5665600Pichia pastoris linear plasmids and DNA fragments thereof
Two novel linear DNA plasmids are described. Also, novel fragments of the plasmids containing the autonomous replication sequence (ARS), and thus capable of self-maintenance as extra chromosomal elements are provided. These novel DNA sequences of the pres...
09/09/1997
5646022Process for the production of gamma nonalactones in natural form
Gamma lactones with 9 carbon atoms, saturated or unsaturated and mixtures thereof, in natural form, are obtained by: A) culturing a microorganism selected from the group comprising Pichia ohmeri and Pichia stipitis or both of these in a substrate comprising an...
07/08/1997
5618706Preparation of phytosphingosine derivative
The invention concerns a process for preparing tetraacetylphytospingosine (TAPS) using F-60-10 mating type strain of Pichia ciferrii. Such strain is subjected to mutagenesis and the high TAPS producing strains are selected by a special procedure. These st...
04/08/1997
5422255Method for producing D-alanine
A high concentration of DL-alanine can be supplied in a culture medium and D-alanine can be efficiently obtained with high yield for a short time by cultivating a yeast which belongs to the genus Candida, the genus Cryptococcus, the genus Hansenura or the...
06/06/1995
5413783Inhibiting plant pathogens with an antagonistic microorganism(s)
The present invention is drawn to biological control of plant pathogens (e.g. either preharvest or postharvest diseases) on agricultural commodities (such as fruits, vegetables, cereals, grains, nuts, seeds and silage) by use of at least one microorganism...
05/09/1995
5324662Stereoselective microbial or enzymatic reduction of 3,5-dioxo esters to 3-hydroxy-5-oxo, 3-oxo-5-hydroxy, and 3,5-dihydroxy esters
Microorganisms or reductases derived therefrom reduce a diketo ester ##STR1## to form the associated 3-hydroxy, 5-hydroxy, or 3,5-dihydroxy esters. Selected microorganisms produce the preferred stereoisomers ##STR2## which can be used to prepare...
06/28/1994
5324660Genes which influence Pichia proteolytic activity, and uses therefor
The isolation and characterization of genes involved in proteolytic processing in species of the genus Pichia is described. The availability of such genes has enabled the generation of strains of Pichia which are deficient in proteolytic activity, which s...
06/28/1994
5294546Method for production of a growth factor for Bifidobacterium sp.
A method of producing a growth promoting factor for Bifidobacterium species from lactose which comprises contacting lactose with resting cells of a lactose-utilizing yeast strain having activity to rearrange lactose to galacto-oligosaccharides....
03/15/1994
5268273Pichia pastoris acid phosphatase gene, gene regions, signal sequence and expression vectors comprising same
The present invention discloses the Pichia pastoris acid phospbatase gene, which includes the 5' regulatory region, signal sequence, structural gene, and 3' transcription termination sequence. Also disclosed are methods of using these fragments, which inc...
12/07/1993
5266485Method of manufacturing optically active (-)-2-halo-1-(substituted phenyl) ethanol by ketone reduction
A method is proposed for manufacturing (-)-2-bromo-1-(3'-chlorophenyl) ethanol by bringing a 2-bromo-1-(3'-chlorophenyl) ethanone into contact with a microorganism belonging to 9 genuses including Ashbya genus and Brettanomycess genus to thereby reduce it...
11/30/1993
5244803Process for preparing optically active 3-phenylglycidic acid esters
There is disclosed a process for preparing optically active 3-phenylglycidic acid ester compound, which comprises permitting a culture broth, cells or treated cells of a microorganism having an ability of stereoselectively hydrolyzing a (2R, 3S)-3-phenylg...
09/14/1993
5238826Process for manufacturing xylose
Process for manufacture of D-xylose characterized by the fact that: in a first step, syrup of D-xylulose is subjected to an enzymatic isomerization in M3 providing a mixture of D-xylose and D-xylulose, in a second step, the abovesaid mixture is subjected...
08/24/1993
5234827Enzymatic process for manufacturing formaldehyde and hydrogen peroxide
A process is disclosed for enzymatically converting lower alkyl alcohols to corresponding aldehydes and hydrogen peroxide in the presence of oxygen under process conditions which increase the catalytic capacity of alcohol oxidase enzymes. Such process con...
08/10/1993
5227299NADH kinase and a process for producing the same
The present invention relates to a novel NADH kinase which has high stability and is specific for NADH, and a process for producing the NADH kinase by culturing a yeast belonging to the genus Pichia in a culture medium, and this enzyme permits highly sens...
07/13/1993
5219757Production of optically active 1,3-butanediol by asymmetric assimilation or reduction of 4-hydroxy-2-butanone
An optically active 1,3-butanediol can be produced by either (1) treating a mixture of 1,3-butanediol enantiomers with a microorganism, which has been optionally treated, capable of asymmetrically assimilating said mixture, or (2) preparing a microorganis...
06/15/1993
5204261Catalase-negative Pichia pastoris
A novel strain of P. pastoris and an alcohol oxidase free of catalase activity produced therefrom is provided....
04/20/1993
5126266Xylose-fermenting yeast mutants
A growth medium is provided for mutant mixtures of Pichia stipitis or Candida shehatae that permits the growth of mutants which are the best xylose-to-ethanol fermenters in the mixture while inhibiting the growth of inefficient fermenters. The medium comp...
06/30/1992
5122465Strains of pichia pastoris created by interlocus recombination
A process for the regeneration of a selectable phenotype at a high frequency by interlocus recombination, in yeast cultures transformed with recombinant DNA constructs comprised of a gene whose product complements the selectable phenotype to be regenerate...
06/16/1992
5082936Glucan composition and process for preparation thereof
Three dimensional glucan matrix compositions are prepared by separating growing yeast from its growth medium, subjecting the yeast with cell walls intact to an alkali material, thereby extracting whole glucan particles having an intact cell wall structure...
01/21/1992
5081015Enzyme electrode and method for determination of alcohol content using the same
An enzyme electrode possessing an immobilized enzyme membrane or an immobilized enzyme layer composed by applying a solution containing alcohol oxidase and a crosslinking agent, in which the solution further contains reduced glutathione. According to the ...
01/14/1992
5041384Pichia guilliermondii (Anamorph Candida guilliermondii) useful for the biological control of postharvest rots in fruits
The present invention is drawn to processes for biologically controlling postharvest disease in fruit using isolates of Pichia guilliermondii having the identifying characteristics of NRRL Y-18313, NRRL Y-18314, and NRRL Y-18654. The organisms were isolat...
08/20/1991
5041236Antimicrobial methods and compositions employing certain lysozymes and endoglycosidases
An antimicrobial composition comprising endo-ଲ-N-acetylglucosaminidase and/or endoglycopeptidase, and ruminant stomach lysozyme is presented. A method for destroying or removing microbes by treatment with these enzymes is also presented....
08/20/1991
1      
 
Sign InRegister
Username  
Password   
forgot password?